Elements And Metals Quiz - 3, General Science


20 Questions MCQ Test General Knowledge | Elements And Metals Quiz - 3, General Science


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Attempt Elements And Metals Quiz - 3, General Science | 20 questions in 40 minutes | Mock test for Current Affairs preparation | Free important questions MCQ to study General Knowledge for Current Affairs Exam | Download free PDF with solutions
QUESTION: 1

What is laughing gas?

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QUESTION: 2

The two elements that are frequently used for making transistors are

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QUESTION: 3

Actinides are the elements with atomic numbers from

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QUESTION: 4

The filament of an electric bulb is made of

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QUESTION: 5

Diamond is an allotropic form of

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QUESTION: 6

In fireworks, the green flame is produced because of

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QUESTION: 7

Permanent hardness of water can be removed by adding

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QUESTION: 8

Marsh gas is

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QUESTION: 9

LPG consists of mainly

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QUESTION: 10

Air is a/an

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QUESTION: 11

Production of chlorofluorocarbons (CFC) gas which is proposed to be banned in India, is used in which of the following domestic products?

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QUESTION: 12

Balloons are filled with

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QUESTION: 13

Which of the following does not contain a coinage metal?

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QUESTION: 14

Which metal pollute the air of a big city?

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QUESTION: 15

Bell metal is an alloy of

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QUESTION: 16

Water is a good solvent of ionic salts because

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QUESTION: 17

Which of the following is not an isotope of hydrogen?

Solution: http://en.wikipedia.org/wiki/Isotopes_of_hydrogen
QUESTION: 18

The main constituents of pearls are

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QUESTION: 19

Amalgams are

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QUESTION: 20

Which of the following is the lightest metal?

Solution:

Lithium is a soft, silvery white alkali metal. Under standard conditions, Lithium is the lightest metal and lightest solid element.

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